RR-W-410 Wire Rope And StrandThis specification covers wire ropes and wire seizing strands see 6.1. This specification does not include all types, classes, constructions, and sizes of wire rope and strand that are commercially available, but it is intended to cover the more common types, classes, constructions, and sizes that are suitable for federal government use.

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Rope diameter

(inch)

Tolerance

(inch)

Under

Over

1/32

3/64

1/16

3/32

1/8

5/32

3/16

7/32

1/4

9/32

5/16

3/8

0

0

0

0

0

0

0

0

0

0

0

0

0.006

0.008

0.010

0.012

0.014

0.016

0.018

0.018

0.018

0.020

0.022

0.026

Rope diameter

Approximate circumference (inches)

Maximum rope lay length (inches)

Approximate weight (lb./ft.)

Nominal strength (force) (lb.)

Minimum breaking strength (force) (lb.)

Nominal (ordered) (maximum) (inches)

Maximum

(inches)

1/4

5/16

3/8

7/16

1/2

9/16

5/8

3/4

13/16

7/8

1

1 1/16

1 1/8

1 3/16

1 1/4

0.265

0.331

0.394

0.459

0.525

0.591

0.656

0.788

0.853

0.919

1.050

1.116

1.181

1.247

1.313

3/4

1

1 1/8

1 3/8

1 5/8

1 3/4

2

2 3/8

2 1/2

2 3/4

3 1/8

3 3/8

3 1/2

3 3/4

3 7/8

2

2 1/2

3

3 1/2

4

4 1/2

5

6

6 1/2

7

8

8 1/2

9

9 1/2

10

0.094

0.15

0.21

0.29

0.38

0.48

0.59

0.84

0.99

1.15

1.50

1.70

1.90

2.12

2.34

1,840

2,840

4,080

5,520

7,160

9,020

11,080

15,800

18,460

21,400

27,600

31,000

34,600

38,400

42,400

1,800

2,760

3,980

5,380

6,980

8,800

10,800

15,400

18,000

20,800

27,000

30,200

33,800

37,400

41,400